laval temperature 中文意思是什麼
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By increasing the length of laval nozzle, an approach was presented to obtain higher particle velocity necessary for gas - solid separation in dusty gas of high temperature and high pressure
提出了用增加縮放噴管長度的方法,使含塵高溫高壓氣體中的灰塵顆粒獲得實現氣固兩相分離所必需的更高動量的途逕。
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